Tact Switch, Phone Jack, DC Jack manufacturer / supplier in China, offering Reflow Solderable 4p Tht MID-Mount Type 2.0 USB Connector Us02-C030pH, 2.0 Sink Board Plug-in USB Female Base 4-Pin Plug-in a Female 10.0 Short Us02-C031p, a Female Short Body Sinking Board 1.9 4-Pin Patch USB and so on.